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Finding the Fourth Proportional to 167,343.42, 250,387.74 and 99,627.78

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Solution

The fourth proportional to 167,343.42, 250,387.74 and 99,627.78 is: 149,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,343.42 : 250,387.74 = 99,627.78 : x
  2. Step 2: Convert to fraction form
    167,343.42/250,387.74 = 99,627.78/x
  3. Step 3: Cross multiply
    167,343.42x = 250,387.74 × 99,627.78
  4. Step 4: Simplify right side
    167,343.42x = 24,945,574,675.42
  5. Step 5: Solve for x
    x = 24,945,574,675.42/167,343.42
  6. Step 6: Final answer
    x = 149,068.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.